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  1. Home
  2. Care Guides
  3. Water Chemistry

Water Chemistry

KH, GH, pH, cycling, and testing explained.

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  • Sulawesi Shrimp Care, Water Chemistry

How to Stabilize Sulawesi Shrimp Water

How to Stabilize Sulawesi Shrimp Water

Your Sulawesi tank tested fine last week, and today the pH, TDS or temperature reads somewhere else. Stabilizing it means picking one workable point inside the group’s warm, alkaline range and then removing every process that quietly moves the water…

  • Duc Nguyen
  • September 6, 2026
  • Sulawesi Shrimp Care, Water Chemistry

How to Lower pH in a Sulawesi Shrimp Tank

How to Lower pH in a Sulawesi Shrimp Tank

Is your Sulawesi tank reading above the typical pH range of 7.5-8.5, or still climbing? Don’t reach for an acid: remake the replacement water on a mineral salt that settles lower, then let small water changes carry the tank down…

  • Duc Nguyen
  • September 6, 2026
  • Sulawesi Shrimp Care, Water Chemistry

How to Maintain a Stable Sulawesi Shrimp Tank

How to Maintain a Stable Sulawesi Shrimp Tank

Your Sulawesi tank is running, the shrimp are grazing, and now the job is keeping it that way. Most of that job is what you don’t change: top off with pure water, change a little at a time with matched…

  • Duc Nguyen
  • September 6, 2026
  • Sulawesi Shrimp Care, Water Chemistry

How to Increase KH in a Sulawesi Shrimp Tank

How to Increase KH in a Sulawesi Shrimp Tank

Has your Sulawesi tank’s KH test come up short of 3 dKH? Raise it by preparing new water outside the aquarium with a Sulawesi mineral salt that carries carbonate, then exchanging that water in over several changes until the tank…

  • Duc Nguyen
  • September 6, 2026
  • Sulawesi Shrimp Care, Tank Setup, Water Chemistry

How Long Should a Sulawesi Shrimp Tank Be Cycled?

How Long Should a Sulawesi Shrimp Tank Be Cycled?

Your Sulawesi tank is filled, heated and running, and the shrimp you’ve picked out are waiting on one thing: you deciding it’s ready. Plan on at least 3-4 weeks with a powdered starter, and stock only when ammonia and nitrite…

  • Duc Nguyen
  • September 6, 2026
  • Sulawesi Shrimp Care, Tank Setup, Water Chemistry

How to Build a Sulawesi Biotope Aquarium

How to Build a Sulawesi Biotope Aquarium

You’ve got an empty tank, a pile of rock and a plan to bring a Sulawesi lake home. Build it as a warm, alkaline, rock and biofilm tank on remineralized RO water, hold it steady at 79-86°F (26-30°C) and pH…

  • Duc Nguyen
  • September 6, 2026
  • Sulawesi Shrimp Care, Tank Setup, Water Chemistry

How Much Oxygen Do Sulawesi Shrimp Need?

How Much Oxygen Do Sulawesi Shrimp Need?

How much oxygen do Sulawesi shrimp actually need? Keep the water close to air saturation for whatever temperature you run inside 79-86°F (26-30°C), and get there with constant surface movement instead of a stronger pump. That’s the water these shrimp…

  • Duc Nguyen
  • September 6, 2026
  • Sulawesi Shrimp Care, Diseases and Treatment, Tank Setup, Water Chemistry

How to Keep Sulawesi Shrimp Healthy

How to Keep Sulawesi Shrimp Healthy

You’ve got Sulawesi shrimp in the tank, or on the way, and you want them still grazing the rocks a year from now. Keeping them healthy is mostly a stability job, not a medicine job: hold 79-86°F (26-30°C), pH 7.5-8.5,…

  • Duc Nguyen
  • September 5, 2026
  • Sulawesi Shrimp Care, Water Chemistry

Why Do Sulawesi Shrimp Need Alkaline Water?

Why Do Sulawesi Shrimp Need Alkaline Water?

Why do Sulawesi shrimp need alkaline water when so many other shrimp in the same genus are kept soft and acidic? Because it’s the water they evolved in, and nothing in a closed aquarium replaces it. The lake-system Caridina sold…

  • Duc Nguyen
  • September 5, 2026
  • Sulawesi Shrimp Care, Water Chemistry

Why Do Sulawesi Shrimp Need Warm Water?

Why Do Sulawesi Shrimp Need Warm Water?

You’ve put a heater on the Sulawesi tank, the care sheet says 79-86°F (26-30°C), and you’d like to know whether that number is real. It is: Sulawesi shrimp need warm water because they’re endemic to the ancient lakes of central…

  • Duc Nguyen
  • September 5, 2026
  • Sulawesi Shrimp Care, Tank Setup, Water Chemistry

What Temperature Do Sulawesi Shrimp Need?

What Temperature Do Sulawesi Shrimp Need?

Not sure where to set the heater for your Sulawesi shrimp? Anywhere inside 79-86°F (26-30°C) works, because nothing in the published record singles out one point in that band as better than the rest. So pick the number your room…

  • Duc Nguyen
  • September 3, 2026
  • Sulawesi Shrimp Care, Tank Setup, Water Chemistry

Sulawesi Mineral 7.5 or 8.5: Which One Should You Use?

Sulawesi Mineral 7.5 or 8.5

You’ve got RO water ready for a Sulawesi tank and two SaltyShrimp salts to choose between, Sulawesi Mineral 7.5 and Sulawesi Mineral 8.5. Neither is better in general: they land at opposite ends of the same pH 7.5-8.5 target, so…

  • Duc Nguyen
  • September 2, 2026
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